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pro vyhledávání: '"F. T. Emery"'
Autor:
F T Emery
Publikováno v:
IEEE Transactions on Dielectrics and Electrical Insulation. 17:1396-1404
There are numerous tests performed on stator coils designed to operate in high voltage electrical generators. There are tests performed to qualify a stator coil design. There are tests that are performed on each production coil at various steps in it
Autor:
F. T. Emery
Publikováno v:
2009 IEEE Electrical Insulation Conference.
High voltage stator windings in modern electric generators are subject to high electrical, mechanical, and thermal stress. Operation of these machines in both air and high pressure hydrogen results in different considerations. Operation in the air en
Autor:
F. T. Emery, R.F. Weddleton
Publikováno v:
Proceedings of Electrical/Electronics Insulation Conference.
The development of new coil designs with the use of updated materials and/or processes requires voltage endurance testing as one of the tests to verify the new coil design. From established voltage endurance curves, a new insulation system can be eva
Autor:
F. T. Emery
Publikováno v:
Proceedings:Electrical Electronics Insulation Conference and Electrical Manufacturing & Coil Winding Conference.
Conductive tapes are used as a conductive layer on the coil slot portion to reduce corona discharges that can occur on the coil surfaces. Semi-conductive corona protection tapes are used on the coils at the slot exit region and prevents surface disch
A Test for the Effect of High Energy Arcs on the Flash-over Strength of Insulators in Compressed SF6
Publikováno v:
IEEE Transactions on Electrical Insulation. :74-80
A test method for evaluation of solid insulating material for insulators in Compressed Gas Insulated Transmission (CGIT) systems has been developed. The test measures the ability of an insulating surface to withstand voltage after being subjected to